FHF 64-445, Setting lever spring

• FHF original part in factory packaging.
• Fits cal: 64, 64-2, 64-2N, 641, 641-2, 641-2N, 642 (8.75''').

Technical data: FHF: 64

• 17 jewels, manual wind, sweep second.
• Size: 8.75''' 19.4 mm.
• H: = 4.3 mm.
• N: = 18.000 A/h.
• Power reserve: 44 h.